Widely used in the construction industry as a key ingredient in cement, mortar, and concrete. It acts as a filler and binder, enhancing the strength and durability of building materials. In agriculture, it is applied as a soil conditioner to neutralize acidic soils, improving crop yield and plant health. The pharmaceutical industry utilizes it as a calcium supplement and antacid to treat conditions like heartburn and calcium deficiency. In the food sector, it serves as a food additive, providing calcium fortification and acting as a stabilizer or colorant in products like baked goods and dairy. Additionally, it is used in the manufacturing of paper, plastics, and paints as a coating agent and filler to improve texture and opacity.